Janikowski missed two practices this week because of the injury and the Raiders signed Dave Rayner to take his place against Kansas City on Sunday.

Among the other inactives for Oakland are receiver Chaz Schilens (groin) and fullback Marcel Reece (ankle). Quarterbacks Carson Palmer and Terrelle Pryor are active but the Raiders have not announced whether Kyle Boller or Palmer will start.

First-round pick Jonathan Baldwin is making make his regular season debut at receiver for Kansas City after recovering from a thumb injury.